When you need shelving now, you need it to be ready to go, ready to stock and stack your items. Find complete shelving units, including posts and shelves, either pre-assembled or ready to assemble, in this category. Wire shelving units, cantilever shelving units, and dunnage shelving units are available. Shelving units can be either stationary or mobile units with casters and other features. Be sure to measure your floor and wall space so you select the proper shelving unit for your application.